The Legend of Zelda: 3rd Quest

This is a complete hack of Super Mario World. Don't expect any new graphics here; this game is all about the level design. All the levels and worlds are new, and some of the worlds have themes not present in the original game, such as a water world and an ice world.

Zelda: Sands of Time is a ROM hack of The Legend of Zelda: Ocarina of Time (64). It features new worlds, power ups, enemies, story, quality of life improvements and more.

A complete The Legend of Zelda: A Link to the Past hack. Everything is brand new. Dungeons, overworlds, etc. It even has new music! This hack does a fantastic job of letting you re-live the old classic while adding a new degree of difficulty that challenges even the elite!

Dark Hyrule Fantasy is a mod for The Legend of Zelda: Ocarina of Time with the goal of telling a new story, in which a new threat emerges in Hyrule, plaguing the survival of all that lives. As this threat emerges, a light will shine bright in darkness. Development on the mod was cancelled and the game started being reworked into a new original game called "Dark Haven Fantasy" using the Godot engine.

Released in 2019 on Nintendo 64, by DezZival.

A which restores the content and playability of BS Zelda no Densetsu, which was never officially localized, and its original files are partially lost in time due to being released via radio broadcasting. Through its MSU-1 support, it optionally adds CD-quality audio.

Released in 2013 on Nintendo 64, by mzxrules.

Nimpize Adventure is an Ocarina of Time Romhack released on 21st November 2018 for the 20th anniversary of Ocarina of Time. It offers a new journey to Link, while mixing custom and regular content. All of the original temples have been reworked to be more difficult, including new path, new mechanics, new order and differents requierements. The game still follows Ocarina of Time progression, such as Child dungeons first, then Adult temples. Like Ocarina of Time, going back in time is required at least once.